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| 1. |
Find the square of 500 using identify (a+b)2=a2+b2+2ab |
| Answer» SPILT 500 as 100 and 400a=100b=400100^2+2X100X400+500^210000+80000+16000090000+160000250000which is ALSO 50^2hope this helpsStep-by-step EXPLANATION: | |